Q.1 (a) Which are the different types of orbits used for satellite Communication? Explain in detail.

(b) What do you mean by multiple access technique? Explain Time Division Multiple Access in detail.

Q.2 (a) Explain three laws of Kepler’s for planetary motion in detail.

(b) An earth station situated in the Bangalore ,needs to calculate the Look angles to a geostationary satellite in the Indian ocean operated at INSAT.The details of the earth station site and the satellite are as follows: